Home / 76,766.26-115,099.88-32,381.10

Finding the Fourth Proportional to 76,766.26, 115,099.88 and 32,381.10

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Solution

The fourth proportional to 76,766.26, 115,099.88 and 32,381.10 is: 48,550.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,766.26 : 115,099.88 = 32,381.10 : x
  2. Step 2: Convert to fraction form
    76,766.26/115,099.88 = 32,381.10/x
  3. Step 3: Cross multiply
    76,766.26x = 115,099.88 × 32,381.10
  4. Step 4: Simplify right side
    76,766.26x = 3,727,060,724.27
  5. Step 5: Solve for x
    x = 3,727,060,724.27/76,766.26
  6. Step 6: Final answer
    x = 48,550.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.